CN202679271U - Pulse power power supply based on superconductive resistive mixed pulse transformer - Google Patents
Pulse power power supply based on superconductive resistive mixed pulse transformer Download PDFInfo
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- CN202679271U CN202679271U CN 201220319842 CN201220319842U CN202679271U CN 202679271 U CN202679271 U CN 202679271U CN 201220319842 CN201220319842 CN 201220319842 CN 201220319842 U CN201220319842 U CN 201220319842U CN 202679271 U CN202679271 U CN 202679271U
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Abstract
The utility model discloses a pulse power power supply based on a superconductive resistive mixed pulse transformer, being characterized in that the original secondary coils of a superconductive resistive mixed pulse transformer use a synonym end cascade structure; when a power supply charging switch is switched on, the initial power supply charges the cascade original secondary coils; when the power supply charging switch is switched off, one part of energy for the original secondary coils is transferred to a capacitor, and the other part is transferred to the original secondary coils through mutual inductance induction; the original secondary coils discharge the load; when the transfer is over, the voltage of the capacitor reaches to the maximum value; and when a discharging switch is switched on, the capacitor discharges the load once again during the reverse charging process for the original secondary coils so as to complete the second pulse output. The pulse power power supply based on a superconductive resistive mixed pulse transformer integrates the functions for energy storage and discharge, and has the advantages of outputting large current pulse at short notice, being small in volume, being light in weight, having high energy conversion efficiency, and having wide application prospect and enormous economic benefit.
Description
Affiliated technical field
The utility model belongs to the pulse current generating device in the Pulse Power Techniques field, and particularly a kind of based superconductive is often led the impulse power electrical source of mixed pulses transformer.
Background technology
Pulse Power Techniques result from the thirties in 20th century, it is a kind of technology of studying energy storage, compression, conversion and transmission, it at first stores energy lentamente, carry out again morphological transformation, compression and adjusting, last within the extremely short time, energy is discharged fast to load, thereby obtain the pulse of various high amplitudes, high-power, steep-front.Pulse Power Techniques have important scientific meaning and using value take high voltage, large electric current, high power, hard pulse as characteristics in national defence scientific research and industrial civil area.Militarily, can provide great power pulse power source for devices such as nuclear fusion, high current particle beam accelerator, electromagnetic propulsion technology and microwave weapons; Industrial, can use microwave power radar high-speed pulse technology that character and the distribution situation of underground resource are reconnoitred; In environmental protection, the electrostatic field dedusting that can the apply pulse electric field produces and decompose toxic compounds; In medical treatment, can adopt external knock wave technology treatment lithangiuria and gall stone.In a word, as an emerging science and technology, Pulse Power Techniques have very wide application prospect.
In impulse power electrical source, energy storage density and the pulse shaping technique of energy-storage travelling wave tube are the most key, and especially for miniaturization, lightweight and the practical requirement of impulse power electrical source, the high energy storage density of its energy-storage travelling wave tube is more important.Along with the development of superconductor technology with ripe, the superconducting energy storage inductance because of its energy storage density than high 1～2 order of magnitude of capacitor, and have the advantages such as energy storage time is long, loss is little, efficient is high, in Pulse Power Techniques, represented good application prospect.
Traditional superconducting energy storage impulse power electrical source mostly is greatly the energy storage inductor serial connection charge parallel discharge pattern that is not coupled mutually, pulse output under this pattern needs disconnect to realize, moment can produce at the disconnect two ends potential pulse of high amplitude but energy storage inductor discharges, easily cause disconnect to damage, thereby affect the normal operation of whole device.In addition, if obtain the current impulse of higher amplitude, then need a lot of energy storage inductor module stacks, module is more, and system scale is larger, and control system is more complicated, is unfavorable for pulse power equipment miniaturization and light-weighted application requirements.
The utility model content
Shortcoming in view of prior art, the purpose of this utility model is the impulse power electrical source circuit that a kind of novel based superconductive of design is often led the mixed pulses transformer, compare with the non-contact structure that the former secondary coil of pulse transformer in the past only depends on mutual inductance to contact, former secondary coil cascaded structure under this pattern is conducive to improve current pulse amplitude, eliminates the aftercurrent in the energy storage inductor, has the advantages that volume is little, loss is low, energy conversion efficiency is high, control system is simple and the disconnect requirement is low.
The purpose of this utility model is to realize by following means.
A kind of based superconductive is often led the impulse power electrical source of mixed pulses transformer, comprises that mainly primary power device, gate-controlled switch, capacitor, superconduction often lead mixed pulses transformer, diode and load; Described primary power device is comprised of DC current source and power protection resistance; Gate-controlled switch comprises a power source charges switch and a discharge switch, and charge switch is connected to described primary power device one end; Be connected across primary power device two ends behind discharge switch and the capacitor's seriesu; Described superconduction is often led mixed pulses transformer and primary power device and is and is connected in parallel former secondary coil different name end series connection; Three diodes are connected on respectively superconduction and often lead in the primary coil of mixed pulses transformer, secondary coil and the load circuit.
The primary coil that the normal leader of described superconduction rushes transformer adopts the belt material of high temperature superconduct coiling, and coupling coefficient is controlled in the 0.85-0.9 scope, has advantages of that energy storage density is large, loss is little, the storage power time is long; But because the critical current of belt material of high temperature superconduct only has the hundreds of peace, do not possess the ability of the upper kilo-ampere heavy current pulse of output, so the copper strips that the secondary coil employing is conducted electricity, current capacity is strong is as material; The different name end series connection of former secondary coil, whole superconduction is often led the mixed pulses transformer and is placed in the low-temperature (low temperature) vessel, utilize cooled with liquid nitrogen (77K), can guarantee that belt material of high temperature superconduct is in superconducting state, can reduce again the resistivity of copper, thereby reduce loss, improve the energy conversion efficiency of whole system.
Described gate-controlled switch is the high-power IGBT switch.
Described capacitor is in parallel with the series arm that former secondary coil forms.
Described load is comprised of resistance and inductance.
Useful result of the present utility model is: 1. the energy storage density of superconducting energy storage inductance is high, can effectively reduce the volume of impulse power electrical source device.2. whole impulse power electrical source device collection energy storage, discharge are integrated, adopt superconduction often to lead mixed pulses transformer primary secondary coil cascaded structure and can improve current pulse amplitude, can finish pulse shaping again.3. because the effect of capacitor, the potential pulse of high amplitude can not appear in mains switch moment of opening circuit, and has reduced the requirement of system to disconnect.4. by the control to middle delay time, can obtain the double-current pulse of different in width, be conducive to strengthen the control of output pulse, to satisfy the different needs of load.The utlity model has the characteristics that volume is little, loss is low, energy conversion efficiency is high, control system is simple, current pulse amplitude is large and the disconnect requirement is low, can be applied to the technical field of railgun energy recharge or strong current pulse power supply.
Description of drawings
Fig. 1 is that the utility model embodiment is applied to energy storage, integrated circuit theory diagrams discharge
Among the figure, 1 is DC current source IDC and power protection resistance R
g, 2 is mains switch S
1, 3 is discharge switch S
2, 4 often lead the mixed pulses transformer for superconduction, and 5 often lead the former limit superconducting coil of mixed pulses transformer for superconduction, and 6 often lead the secondary normal conductor coil of mixed pulses transformer for superconduction, and 7 is capacitor C, 8 is the capacitor protection resistance R
f, 9 is resistance sense load R
d, L
d, 10 is the diode D in primary coil loop
1, 11 is the diode D in secondary coil loop
2,
Fig. 2 is that the current waveform of mixed pulses transformer primary side superconducting coil is often led in superconduction when using the utility model, and abscissa is time (ms), and ordinate is electric current (A);
Fig. 3 is that the current waveform of load, abscissa are time (ms) when using the utility model, and ordinate is electric current (A);
Fig. 4 is that the voltage waveform of capacitor, abscissa are time (ms) when using the utility model, and ordinate is voltage (V);
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1, closed electrical source switch S at first
1, the primary power device is often led the former secondary coil serial connection charge that the mixed pulses transformer intercouples to superconduction, because diode D
3Unilateral conduction, load is not subjected to the impact in power source charges stage; After the electric current of former secondary coil series arm reaches predetermined value, keep constant; Disconnecting power switch S
1, the part energy in the superconducting coil of former limit shifts to capacitor, another part is induced to the secondary normal conductor coil by mutual inductance, again by the secondary normal conductor coil to load discharge (ignoring secondary normal conductor coil self-energy shifts to load); When the current attenuation in the superconducting coil of former limit was extremely zero, the voltage of capacitor reached maximum, Delayed conducting discharge switch S
2, capacitor in the process of former limit superconducting coil reverse charging again to load discharge; When condenser voltage decayed to zero, the electric current of former limit superconducting coil reached reverse maximum, and the energy of following in the superconducting coil of former limit passes through the capacitor protection resistance R
f, diode D
2, discharge switch S
2To the load continuous discharge until energy discharges complete.
Embodiment as shown in Figure 1, the relevant parameter of circuit is as follows:
Desirable DC current source: I
0=200A; The power protection resistance R
g=5 Ω;
The self-induction of the former limit superconducting coil of mixed pulses voltage device: L is often led in superconduction
p=15.75mH;
The self-induction of the secondary normal conductor coil of mixed pulses voltage device: L is often led in superconduction
s=10.7 μ H;
The mutual inductance of former limit superconducting coil and secondary normal conductor coil: M=353 μ H; Coupling coefficient k=0.86;
The electric capacity of capacitor: C=51 μ F; The capacitor protection resistance R
f=2 Ω
Impedance load: R
d=1m Ω, L
d=0.1 μ H;
As shown in Figure 2, in the 0-20ms, primary power is often led the former secondary coil serial connection charge that the mixed pulses transformer intercouples to superconduction, and charging current keeps constant after reaching predetermined value 200A; Disconnecting power switch S during t=20ms
1, the electric current in the superconducting coil of former limit begins decay; Time-delay 10ms, i.e. closed discharge switch S during t=40ms
2, capacitor is to the superconducting coil reverse charging of former limit, after the electric current in the superconducting coil of former limit reaches maximum, by the capacitor protection resistance R
f, diode D
2, discharge switch S
2To the load continuous discharge until energy discharges complete.
As shown in Figure 3, capacitor electrode keeps constant after being pressed in and reaching maximum 1.8kV, and voltage begins decay when t=40ms.
As shown in Figure 4, for the first time output current pulse when loading on t=30ms, amplitude is about 6.38kA; Load is by discharge switch S when t=40ms
2, the capacitor protection resistance R
fWith diode D
2For the second time output current pulse, this time current impulse the first time basis superpose, amplitude is about 5.72kA.
In order to strengthen the control of output pulse, by delay time in the middle of adjusting, can obtain the double-current pulse of different in width, to satisfy the different needs of load.
Based superconductive described in the utility model is often led the impulse power electrical source of mixed pulses transformer; above-mentioned description for preferred embodiment is too concrete; those of ordinary skill in the art will appreciate that; embodiment described here is in order to help reader understanding's principle of the present utility model, should to be understood to that the protection range of utility model is not limited to such special statement and embodiment.Every design is equal to and replaces or change according to the technical solution of the utility model and utility model thereof, all is considered to belong to the protection range of claim of the present utility model.
Claims (4)
1. a based superconductive is often led the impulse power electrical source of mixed pulses transformer, it is characterized in that, comprises that mainly primary power device, gate-controlled switch, capacitor, superconduction often lead mixed pulses transformer, diode and load; Described primary power device is comprised of DC current source and power protection resistance; Gate-controlled switch comprises a power source charges switch and a discharge switch, and charge switch is connected to described primary power device one end; Be connected across primary power device two ends behind discharge switch and the capacitor's seriesu; Described superconduction is often led mixed pulses transformer and primary power device and is and is connected in parallel former secondary coil different name end series connection; Three diodes are connected on respectively superconduction and often lead in the primary coil of mixed pulses transformer, secondary coil and the load circuit.
2. described impulse power electrical source according to claim 1, it is characterized in that, the primary coil that the mixed pulses transformer is often led in described superconduction adopts the belt material of high temperature superconduct coiling, and secondary coil adopts the copper strips coiling, former secondary coil different name end series connection, coupling coefficient is in the 0.85-0.9 scope.
3. described impulse power electrical source according to claim 2 is characterized in that, described superconduction is often led the mixed pulses transformer and is placed in the low-temperature (low temperature) vessel, utilizes cooled with liquid nitrogen.
4. described impulse power electrical source according to claim 1 is characterized in that, described gate-controlled switch is the high-power IGBT switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319842 CN202679271U (en) | 2012-07-04 | 2012-07-04 | Pulse power power supply based on superconductive resistive mixed pulse transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319842 CN202679271U (en) | 2012-07-04 | 2012-07-04 | Pulse power power supply based on superconductive resistive mixed pulse transformer |
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| CN202679271U true CN202679271U (en) | 2013-01-16 |
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| CN 201220319842 Expired - Fee Related CN202679271U (en) | 2012-07-04 | 2012-07-04 | Pulse power power supply based on superconductive resistive mixed pulse transformer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723891A (en) * | 2012-07-04 | 2012-10-10 | 西南交通大学 | Pulsed power supply based on superconductivity normal-conductivity combined pulse transformer |
| CN110880883A (en) * | 2019-12-16 | 2020-03-13 | 山东理工大学 | Inductance energy storage pulse power supply with energy recovery |
| CN114337349A (en) * | 2021-12-30 | 2022-04-12 | 哈尔滨工业大学 | Pulse power source for simulating solar wind |
-
2012
- 2012-07-04 CN CN 201220319842 patent/CN202679271U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723891A (en) * | 2012-07-04 | 2012-10-10 | 西南交通大学 | Pulsed power supply based on superconductivity normal-conductivity combined pulse transformer |
| CN110880883A (en) * | 2019-12-16 | 2020-03-13 | 山东理工大学 | Inductance energy storage pulse power supply with energy recovery |
| CN110880883B (en) * | 2019-12-16 | 2022-09-09 | 山东理工大学 | Inductance energy storage pulse power supply with energy recovery |
| CN114337349A (en) * | 2021-12-30 | 2022-04-12 | 哈尔滨工业大学 | Pulse power source for simulating solar wind |
| CN114337349B (en) * | 2021-12-30 | 2022-08-26 | 哈尔滨工业大学 | Pulse power source for simulating solar wind |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150704 |
|
| EXPY | Termination of patent right or utility model |